Santoso, Henrycus Winarto, and Made Siti Sundari. “Pengukuran Willingness To Pay: Adakah Pendekatan Terbaik?”. Keluwih: Jurnal Sosial dan Humaniora 4, no. 1 (April 30, 2023): 7-14. Accessed November 21, 2024. https://journal.ubaya.ac.id/index.php/soshum/article/view/5841.